1/* 2 * Copyright (c) 2022-2024 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16import * as ts from 'typescript'; 17 18export function forEachNodeInSubtree( 19 node: ts.Node, 20 cb: (n: ts.Node) => void, 21 stopCond?: (n: ts.Node) => boolean 22): void { 23 cb(node); 24 if (stopCond?.(node)) { 25 return; 26 } 27 28 ts.forEachChild(node, (child) => { 29 forEachNodeInSubtree(child, cb, stopCond); 30 }); 31} 32